adj.
Pronunciation: ' dü-b ē - ə s also dyü-
Function: adjective
Etymology: Latin dubius, from dubare to vacillate; akin to Latin duo two ― more at TWO
Date: 1548
1 : giving rise to uncertainty: as a : of doubtful promise or outcome <a dubious plan> b : questionable or suspect as to true nature or quality <the practice is of dubious legality>
2 : unsettled in opinion : DOUBTFUL <I was dubious about the plan>
synonyms see DOUBTFUL
– du · bi · ous · ly adverb
– du · bi · ous · ness noun